Rolf Schillinger

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Service-oriented architectures (SOAs) are a commonly used paradigm for IT infrastructures in various fields. Due to their flexibility and the easy accessibility of their underlying web services, SOAs are the architecture of choice for more and more service providers. Semantic SOAs (SSOAs) are going one step further and are enhancing the common SOA with(More)
Service-oriented architectures (SOAs) are increasingly gaining popularity due to their considerable flexibility and scalability in open IT-environments. Along with their rising acceptance comes the need for well suited security components. In this respect, access control and privacy emerged to crucial factors. Targeting the demands of a SOA, many promising(More)
More and more companies are realising that business is best carried out in project-based virtual alliances and are intensively networking and collaborating with partner companies. This requires convergent, adaptive, and interoperable IT environments ready to support flexible, loosely coupled networked enterprises, anywhere, anytime-regardless of(More)
Enhancing the service-oriented architecture paradigm with semantic components is a new field of research and goal of many ongoing projects. The results lead to more powerful web applications with less development effort and better user support. While some of these advantages are without doubt novel, challenges and opportunities for the security arise. In(More)
Service-oriented architectures have climbed up the path from theory to being widely implemented for use in productive computing environments in both eCommerce and eGovernment. In the latter field of application, new tasks and challenges have arisen from the European Union's Services Directive, entailing on-demand collaboration of back-office services.(More)
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